//index.js
//获取应用实例
const app = getApp();
let localMap = new Map();// 定义一个全局的MAP对象 
localMap.set("collect", "collect");
localMap.set("bug", "bug");
localMap.set("report", "report");
localMap.set("practice", "practice");
Page({
  data: {
    courses: [0, 1, 2]
    
  }

})
